<html>
<head>
<script type="text/javascript">
    function LeakMemory(){
        for(i = 0; i < 5000; i++){
            var parentDiv = 
               document.createElement("<div onClick='foo()'>");
        }
    }
</script>
</head>
<body>
<input type="button" 
       value="Memory Leaking Insert" onclick="LeakMemory()" />
</body>
</html>